I have called this principle, by which each slight variation, if useful, is preserved, by the term Natural Selection.  

量子霸权不是最终目标；它是通往功能齐全的量子计算机道路上的一个里程碑。

数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。

To feed the world, we must first understand it.

I never think about the past. I always look forward to the next challenge.

现实是一个视角问题；你离过去越远，它看起来就越具体和可信——但当你接近现在时，它不可避免地显得越来越不可思议。